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Cr - Chromium - periodic table of the elements

This transition metal was discovered by Vanquelin in 1790. Modern uses include pigment, high strength alloys and metal finishing applications. Chromium is known to be an excellent supplement for weight loss , as well a metabolizing blood sugar in humans.

 

Atomic number - 24 Density g/mL 7 .19
Atomic weight u 51 .996 Melting point K 2130
Bonding radius A 1 .18 Boiling point K 2945
Atomic radius A 1 .85 Heat of vaporization kJ/mol 344 .3
Ionization Potential V 6 .766 Heat of fusion kJ/mol 16 .9
Electronegativity - 1 .66 Specific heat J/gK 0 .45
The oxide is a strong acid.
Crystal are body centered cubic.

Electron configuration: [Ar] 3d5 4s1

Other elements of the periodic table

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HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLa * HfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAc ** RfDbSgBhHsMt110111112113
Lanthanides* CePrNdPmSmEuGdTbDyHoErTmYbLu
Actinides ** ThPaUNpPuAmCmBkCfEsFmMdNoLr